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Video: Iran eyes US, Israel in killing of nuke expert

Closed captioning of: Iran eyes US, Israel in killing of nuke expert

>>with violence in tehran overnight as an iranian
university professor
working on a key
nuclear facility
there was killed in a targeted bombing. nbc's al irgs aruzzi has more. good morning.

>> reporter: good morning, natalie. an iranian scientist worked in a key
nuclear facility
and was killed this morning. tehran said it is part of a widening campaign by the west aimed at crippling their
nuclear program
. he was a director of the natanz
nuclear facility
in
iran
and was killed when two assailants on motorcycles attached magnetic bombs to his car. this morning's attack bore the same hallmarks as previous attacks.
iran
says israel and the
united states
are behind the attacks and
iran
's nuclear path is irreversible. natalie?